<html><head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8"><title>RemovePreferenceKey</title></head>
<body bgcolor="#EFF1F0" link="#3A3966" vlink="#000000" alink="#000000">
<font face="Verdana, sans-serif" size="2"><p align="center"><b><font size="4">RemovePreferenceKey()</font></b></p>
<p><b>语法</b></p><blockquote>
<font color="#3A3966"><b>RemovePreferenceKey</b></font>(Key$)</blockquote>

</blockquote>
<b>概要</b><br><blockquote>



Removes the specified key and its value. 

 

</blockquote><p><b>参数</b></p><blockquote>
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<table width="90%" class="parameters">
<tr><td width="10%"><i>Key$</i></td>
<td width="90%"> 
 
The key name to remove. 

 

</td></tr>
</table>
</blockquote><p><b>返回值</b></p><blockquote>
无.


</blockquote><p><b>示例</b></p><blockquote>

<pre><font face="Courier New, Courier, mono"size="2"> <b><font color="#3A3966">If</font></b> <font color="#3A3966">CreatePreferences</font>(<font color="#3A3966">GetTemporaryDirectory</font>()+"Prefs.txt", <font color="#924B72">#PB_Preference_GroupSeparator</font>)
<font color="#3A3966">    PreferenceGroup</font>("Window")
<font color="#3A3966">      WritePreferenceLong </font>("X", 100)
<font color="#3A3966">      WritePreferenceLong </font>("Y", 125)
<font color="#3A3966">      WritePreferenceString</font>("Title", "PureNote")    
<font color="#3A3966">    ClosePreferences</font>()   
<font color="#3A3966">    RunProgram</font>(<font color="#3A3966">GetTemporaryDirectory</font>()+"Prefs.txt")
    <b><font color="#3A3966">EndIf</font></b>
    
<font color="#3A3966">    MessageRequester</font>("Info", "Delete the key 'Title' ")
    
  <font color="#3A3966">; Open the preference file</font>
<font color="#3A3966">    OpenPreferences</font>(<font color="#3A3966">GetTemporaryDirectory</font>()+"Prefs.txt")
<font color="#3A3966">    PreferenceGroup</font>("Window")
       
  <font color="#3A3966">; Delete the key 'Title'  </font>
<font color="#3A3966">    RemovePreferenceKey</font>("Title")
    
<font color="#3A3966">    ClosePreferences</font>()      
<font color="#3A3966">    RunProgram</font>(<font color="#3A3966">GetTemporaryDirectory</font>()+"Prefs.txt")
</font></pre>

</blockquote><p><b>参阅</b></p><blockquote>

<a href="examinepreferencekeys.html">ExaminePreferenceKeys()</a> 

</Blockquote><p><b>已支持操作系统 </b><Blockquote>所有</Blockquote></p><center>&lt;- <a href=removepreferencegroup.html>RemovePreferenceGroup()</a> - <a href="index.html">Preference Index</a> - <a href="writepreferencedouble.html">WritePreferenceDouble()</a> -&gt;<br><br>

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